3765005137765 has 8 divisors (see below), whose sum is σ = 4714441216128. Its totient is φ = 2881047409680.

The previous prime is 3765005137763. The next prime is 3765005137781. The reversal of 3765005137765 is 5677315005673.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3765005137765 - 2¹ = 3765005137763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3765005137763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16369587441 + ... + 16369587670.

It is an arithmetic number, because the mean of its divisors is an integer number (589305152016).

Almost surely, 2^{3765005137765} is an apocalyptic number.

It is an amenable number.

3765005137765 is a deficient number, since it is larger than the sum of its proper divisors (949436078363).

3765005137765 is a wasteful number, since it uses less digits than its factorization.

3765005137765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32739175139.

The product of its (nonzero) digits is 13891500, while the sum is 55.

The spelling of 3765005137765 in words is "three trillion, seven hundred sixty-five billion, five million, one hundred thirty-seven thousand, seven hundred sixty-five".